import pandas as pd
test_data=pd.read_csv("../csv_dir/demo_result2.csv").astype(str)
df= pd.DataFrame([], columns=['ID', 'txt','label'])

df['txt'] = test_data['评论内容']
df['ID'] = df.reset_index().index
print(df.head())
df.to_csv('../csv_dir/train.csv', index=False,encoding='utf_8_sig')